5/7 : 2/3 = 5/7 x 3/2 = 15/14
9/11 : 8 /13 = 9/11 x 13/8 = 117/88
1/8 : 1/6 = 1/8 x 6 = 3/4
4/15 : 7/30 = 4/15 x 30/7 = 8/7
\(\frac{5}{7}:\frac{2}{3}=1\frac{1}{14}\) \(\frac{9}{11}:\frac{8}{13}=1\frac{29}{88}\)
\(\frac{1}{8}:\frac{1}{6}=\frac{3}{4}\) \(\frac{4}{15}:\frac{7}{30}=1\frac{1}{7}\)\(k\)\(nha\)\(!!!!!!!!!!!!!!\)
5/7:2/3=5x3/7x2=15/14
9/11:8/13=9x13/8x11=117/88
1/8:1/6=1x6/8x1=3/4
4/15:7/30=4x30/7x15=8/7
5/7:2/3=5/7×3/2=15/14
9/11:8/13=9/11×13/8=177/88
1/8:1/6=1/8×6/1=6/8=3/4
4/15:7/30=4/15×30/7=8/7
k cho mh nha!!! Hihi
\(\frac{5}{7}:\frac{2}{3}=\frac{7}{5}x\frac{3}{2}=\frac{21}{10}\) \(\frac{9}{11}:\frac{8}{13}=\frac{9}{11}x\frac{13}{8}=\frac{117}{88}\) \(\frac{1}{8}:\frac{1}{6}=\frac{1}{8}x\frac{6}{1}=\frac{6}{8}=\frac{3}{4}\) \(\frac{4}{15}:\frac{7}{30}=\frac{4}{15}x\frac{30}{7}=\frac{120}{105}=\frac{24}{21}\)
